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Finding the Fourth Proportional to 349,062.75, 523,464.93 and 124,363.62

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Solution

The fourth proportional to 349,062.75, 523,464.93 and 124,363.62 is: 186,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,062.75 : 523,464.93 = 124,363.62 : x
  2. Step 2: Convert to fraction form
    349,062.75/523,464.93 = 124,363.62/x
  3. Step 3: Cross multiply
    349,062.75x = 523,464.93 × 124,363.62
  4. Step 4: Simplify right side
    349,062.75x = 65,099,993,637.85
  5. Step 5: Solve for x
    x = 65,099,993,637.85/349,062.75
  6. Step 6: Final answer
    x = 186,499.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.